Your Residence permit is expired. It means you do NOT have any residence permit. The grace period is given to finalize your matters in Qatar in case you didn't have enough time, and to leave the country. Grace period doesn't mean you have a valid RP. And since you do not have an RP, WHAT the he'll are you going to transfer? You have to renew your RP with your current sponsor, after that you can transfer your RP.
Your Residence permit is expired. It means you do NOT have any residence permit. The grace period is given to finalize your matters in Qatar in case you didn't have enough time, and to leave the country. Grace period doesn't mean you have a valid RP. And since you do not have an RP, WHAT the he'll are you going to transfer? You have to renew your RP with your current sponsor, after that you can transfer your RP.